Antenna coupler for a portable grid locator



FIG. 1 is a front and upper left perspective view of an antenna coupler for a portable grid locator showing our new design mounted on a portable grid locator. The broken line showing of the portable grid locator is included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof and a mirror image of a right side view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear and lower perspective view thereof. 

The ornamental design for an antenna coupler for a portable grid locator, as shown and described. 